This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A197826 #5 Mar 30 2012 18:57:53 %S A197826 8,9,3,6,9,3,7,8,8,9,7,4,1,6,5,1,3,0,8,1,7,1,7,5,5,5,0,2,2,6,1,1,9,9, %T A197826 5,4,3,9,2,0,0,5,7,4,7,0,0,0,3,1,6,2,3,2,3,8,5,6,9,7,0,4,8,3,5,7,6,0, %U A197826 0,3,1,6,2,5,8,3,7,9,7,4,6,0,1,5,4,2,4,3,9,5,9,1,9,1,4,7,5,2,4 %N A197826 Decimal expansion of least x>0 satisfying (cos(x))^2+(sin(Pi*x))^2=1/2. %C A197826 For a discussion and guide to related sequences, see A197739. %e A197826 x=0.8936937889741651308171755502261199543... %t A197826 (See the program at A197821.) %Y A197826 Cf. A197739, A197821. %K A197826 nonn,cons %O A197826 0,1 %A A197826 _Clark Kimberling_, Oct 19 2011